The state continues to be the epicenter of U.S. onshore drilling, according to the April 5 rig count. Texas has 825 rigs operating – about 47 percent of U.S. rigs and 27.5 percent of drilling rigs worldwide.

The state also is surrounded by drilling. There are 179 rigs working in Oklahoma, 106 rigs in Louisiana, 81 rigs in New Mexico and 15 rigs in Arkansas.

The bulk of the rigs – 393 – are operating in the Permian Basin. There were 226 rigs in the Eagle Ford, 41 in the Granite Wash in the Panhandle, 36 in the Barnett Shale in North Texas and 21 in the Haynesville Shale in East Texas.